Pith Number

pith:6FDQ7CLI

pith:2026:6FDQ7CLIYACNZTA6NVB5DET47X

not attested not anchored not stored refs pending

A Computationally Efficient Reciprocal Effective Roughness Model for Diffuse Scattering

Camillo Gentile, Enrico M. Vitucci, Giacomo Melloni, Jack Chuang, Nada Golmie, Samuel Berweger, Vittorio Degli Esposti

arxiv:2605.17988 v1 · 2026-05-18 · eess.SP · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FDQ7CLIYACNZTA6NVB5DET47X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-20T00:05:09.750564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1470f8968c004dccc1e6d43d1927cfdfdcca5e4dd171ad963799efc896c7c87

Aliases

arxiv: 2605.17988 · arxiv_version: 2605.17988v1 · doi: 10.48550/arxiv.2605.17988 · pith_short_12: 6FDQ7CLIYACN · pith_short_16: 6FDQ7CLIYACNZTA6 · pith_short_8: 6FDQ7CLI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6FDQ7CLIYACNZTA6NVB5DET47X \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f1470f8968c004dccc1e6d43d1927cfdfdcca5e4dd171ad963799efc896c7c87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac893cb544d0ccfe3c2b44b3db551e322a0bc0b3bd95e00adf68ef897a894ec",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-05-18T07:42:50Z",
    "title_canon_sha256": "1621b092ebd4e3b77b61970b2cecca966efd34b64ac35f4c82b120687d990d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17988",
    "kind": "arxiv",
    "version": 1
  }
}